Top 155 Senior systems support analyst (it systems technical specialist) Jobs in Reston, Va

Senior Ontology Developer (TS/SCI)
Vantor Services Inc. —Herndon, VA
- $140,000 - $205,700 a year
- Full-time
- Azure
- Software troubleshooting
- Java
- 401(k) matching
- Pet insurance
Quick Apply
User Support Specialist (Intelligence Data Discovery and Tradecraft)
Leidos —Bethesda, MD
- $73,450 - $132,775 a year
- Full-time
- Mid-level
- Office
- Bachelor's degree
- Flexible schedule
IT Product Support Specialist
Great Minds —Washington, DC
- $69,000 - $77,000 a year
- Full-time
- Remote
- Background check
- Google Workspace
- Mid-level
Quick Apply
Help Desk Technician – Mid-Level & Senior-Level (2 Openings)
ActioNet —Vienna, VA
- Up to $112,000 a year
- Full-time
- Research
- Mid-level
- 3 years
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6d
MID Systems Engineer Senior Technical Specialist
Arcfield —Chantilly, VA
- $146,322.15 - $254,425.83 a year
- Full-time
- Bachelor of Science
- Office
- Analysis skills
- Paid holidays
- Disability insurance
12d
Digital Transformation Specialist
Fairfax County Public Schools —Fairfax County, VA
- $84,512 - $146,688 a year
- Full-time
- Mid-level
- Office
- Bachelor's degree
Senior Risk Analyst, SPEAR Special Programs & Projects
Amazon.com Services LLC —Washington, DC
- $119,300 - $208,900 a year
- Full-time
- Up to 50% travel
- 5 years
- Bachelor's degree
- AD&D insurance
- Health insurance
11d
Systems Integration Specialist
Red Pulley, Inc. —Washington, DC
- Full-time
- Remote
- Computer Science
- System design
- Mid-level
- Health savings account
- Health insurance
Digital Transformation: Data Management & Analytics
Strategic Insight, Ltd. —Arlington, VA
- Full-time
- Hybrid work
- Mid-level
- 3 years
- SQL
- Health insurance
- 401(k)
Quick Apply
SR HRIS (WorkDay)
Summit Federal Services, LLC —Reston, VA
- $90,000 - $100,000 a year
- Full-time
- Mid-level
- Office
- 3 years
Data & Systems Specialist
National Wildlife Federation/ NWF —Reston, VA
- $60,000 - $70,000 a year
- Background check
- Research
- Mid-level
- Dental insurance
- Tuition reimbursement
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8h
Senior Systems Admin Specialist
General Dynamics Mission Systems, Inc —Herndon, VA
- $166,400 - $175,500 a year
- Full-time
- Computer science
- 6 years
- Computer Science
Cybersecurity Analyst (ISSO)
ActioNet —Washington, DC
- Up to $140,000 a year
- Full-time
- Hybrid work
- Windows
- Analysis skills
- Bachelor's degree
Quick Apply
6d
Senior IT Cybersecurity Specialist (On-Site)
Groundswell —McLean, VA
- $116,724 - $209,019 a year
- Full-time
- Computer Science
- Office
- Mentoring
- Health insurance
- Dental insurance
Data Operations Specialist – Head Start (Data Quality, Records & Governance)
JBS International —North Bethesda, MD
- Mid-level
- 3 years
- Ability to lift 50 pounds
Quick Apply
SI/Communications
Arcfield —Herndon, VA
- $138,295.88 - $240,469.70 a year
- Full-time
- Computer science
- Microsoft Outlook
- Computer Science
- Paid holidays
- Disability insurance
Systems Integrator/Executive Officer (EXO)
Arcfield —Chantilly, VA
- $138,295.88 - $240,469.70 a year
- Full-time
- Computer science
- Computer Science
- Bachelor of Science
- Paid holidays
- Disability insurance
IT Helpdesk Analyst (Level 1 / L1 Support)
AHU Technologies Inc —Washington, DC
- $21 - $24 an hour
- Full-time
- Mid-level
- Bachelor's degree
- Experience equivalent to degree accepted
Quick Apply
Senior Trusted Tester 508 Specialist
RIVA Solutions Inc. —Reston, VA
- $95,000 a year
- Online Application
- Hybrid work
- JavaScript
- Training & development
- Senior level
- Wellness program
- Health savings account
Quick Apply
Senior ETL Developer
BRILLIENT CORPORATION —Reston, VA
- Full-time
- Remote
- Computer Science
- Data analysis skills
- System design
- Disability insurance
- Health insurance
Quick Apply

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Senior Ontology Developer (TS/SCI)

Vantor Services Inc. -
Herndon, VA

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Job Details

Full-time
$140,000 - $205,700 a year

Benefits

401(k) matching
Loan assistance
Pet insurance

Qualifications

DevSecOps Practices
Systems integration
Software engineering
Continuous Delivery (CD) implementation
Enterprise software
Agile scheduling
Git
Enterprise solutions implementation
Enterprise software systems development
Microservices
Version control systems
Agile software development
TS/SCI with Polygraph
DevOps automation
Agile planning
Web services design

Full Job Description

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world.

To be eligible for this position, you must be a U.S. Citizen. This position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status.

Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).

Please review the job details below.

This position requires an active U.S. Government Security Clearance at the TS/SCI level with CI polygraph.

Vantor is seeking a Senior Developer to join our team. In this position you will design, develop, and maintain mission-critical applications that support Object-Based Intelligence (OBI) mission requirements, enterprise ontologies, knowledge graphs, and semantic data integration.

The Senior Developer serves as a senior technical contributor responsible for developing secure, scalable, and maintainable software solutions that enable semantic data integration, object management, and advanced analytics. This position develops application services, APIs, user interfaces, and backend components that leverage enterprise ontologies, knowledge graphs, and Semantic Web technologies to support data interoperability and mission workflows. Working within an Agile DevSecOps environment, the Senior Developer collaborates with ontology engineers, software engineers, database engineers, data engineers, and Government stakeholders to deliver high-quality software that supports operational mission requirements.

Responsibilities:

Design, develop, test, deploy, and maintain enterprise software applications supporting Object-Based Intelligence mission requirements.
Develop scalable backend services, RESTful APIs, and user-facing applications that integrate with ontology services, knowledge graphs, semantic databases, and enterprise data platforms.
Implement software solutions utilizing Semantic Web technologies, including RDF, OWL, and SPARQL, to support semantic search, data integration, and knowledge discovery.
Collaborate with ontology engineers, database engineers, data engineers, analysts, and Government stakeholders to translate mission requirements into software solutions.
Develop secure, containerized applications using modern software engineering principles and cloud-native technologies.
Integrate applications with relational databases, graph databases, messaging systems, and enterprise APIs to enable seamless access to mission data.
Participate in Agile development activities, including sprint planning, technical design reviews, code reviews, and backlog refinement.
Develop automated unit, integration, and regression tests while supporting continuous integration and continuous deployment (CI/CD) pipelines.
Troubleshoot and resolve software defects, optimize application performance, and ensure application scalability, reliability, and security.
Produce and maintain software design documentation, API specifications, technical implementation guides, and operational documentation.
Support AI/ML initiatives by developing software services that provide access to semantic data, contextual knowledge, and enterprise analytics capabilities.
Mentor junior developers and provide technical guidance to project team members while supporting knowledge transfer activities with Government personnel.

Minimum Qualifications:

Must be a U.S. citizen and have an active TS/SCI with CI polygraph.
10 years of experience and an advanced degree or 15 years of experience with a bachelor's degree.
Demonstrated experience developing enterprise software applications using Java, Python, C#, or comparable object-oriented programming languages.
Experience developing RESTful APIs, microservices, and distributed applications.
Experience integrating applications with relational databases, graph databases, or enterprise data platforms.
Experience with containerization technologies such as Docker and Kubernetes/OpenShift.
Familiarity with Agile software development methodologies, DevSecOps practices, CI/CD pipelines, and Git-based version control.
Ability to communicate complex technical concepts effectively to technical and non-technical stakeholders.

Preferred Qualifications:

Experience supporting Object-Based Intelligence, Intelligence Community, or Department of Defense mission systems.
Experience developing applications that integrate with enterprise ontologies, knowledge graphs, or Semantic Web technologies, including RDF, OWL, and SPARQL.
Experience with cloud-native application development using AWS, Azure, or Red Hat OpenShift.
Experience integrating AI/ML services, large language models (LLMs), or advanced analytics capabilities into enterprise applications.
Experience implementing secure software development practices in accordance with Government cybersecurity requirements and RMF principles.
AWS Certified Developer, Microsoft Certified: Azure Developer Associate, Red Hat Certified Specialist, Security+, or equivalent software development certification.
Experience mentoring developers and providing technical leadership within Agile software development teams.

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Pay Transparency: To support pay transparency, Vantor includes salary ranges in all U.S. job postings. Starting pay for this role will fall within the listed range and will be based on factors such as experience, qualifications, skills, location, and market conditions. Candidates who meet the minimum requirements for the role should not expect to receive compensation at the top of the range. The listed range reflects the expected pay for this position, and final offers will be determined based on each candidate’s experience, expertise, and alignment with the role.

The base pay for this position within the Washington, DC metropolitan area is: $140,000.00 - $187,000.00 - $205,700.00 annually.

For all other states, we use geographic cost of labor as an input to develop market-driven ranges for our roles, and as such, each location where we hire may have a different range.

Benefits: Vantor offers a competitive total rewards package that goes beyond the standard, including a robust 401(k) with company match, mental health resources, and unique perks like student loan repayment assistance, adoption reimbursement and pet insurance to support all aspects of your life. You can find more information on our benefits at: https://www.Vantor.com/careers

The application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire. If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire.

The date of posting can be found on Vantor's Career page at the top of each job posting.

To apply, submit your application via Vantor's Career page.

EEO Policy: Vantor is an equal opportunity employer committed to an inclusive workplace. We believe in fostering an environment where all team members feel respected, valued, and encouraged to share their ideas. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability, protected veteran status, age, or any other characteristic protected by law.

Quick Apply

Refine Your Search

senior systems support analyst (it systems technical specialist) jobs in reston, va

Senior Ontology Developer (TS/SCI)

User Support Specialist (Intelligence Data Discovery and Tradecraft)

IT Product Support Specialist

Help Desk Technician – Mid-Level & Senior-Level (2 Openings)

MID Systems Engineer Senior Technical Specialist

Digital Transformation Specialist

Senior Risk Analyst, SPEAR Special Programs & Projects

Systems Integration Specialist

Digital Transformation: Data Management & Analytics

SR HRIS (WorkDay)

Data & Systems Specialist

Senior Systems Admin Specialist

Cybersecurity Analyst (ISSO)

Senior IT Cybersecurity Specialist (On-Site)

Data Operations Specialist – Head Start (Data Quality, Records & Governance)

SI/Communications

Systems Integrator/Executive Officer (EXO)

IT Helpdesk Analyst (Level 1 / L1 Support)

Senior Trusted Tester 508 Specialist

Senior ETL Developer

I want to receive the latest job alert for senior systems support analyst (it systems technical specialist) in reston, va

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